17 lines
756 B
Plaintext
17 lines
756 B
Plaintext
enable_service ironic ir-api ir-cond
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source $DEST/ironic/devstack/common_settings
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# NOTE(vsaienko) mtu calculation has been changed recently to 1450
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# https://github.com/openstack/neutron/commit/51a697
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# and caused https://bugs.launchpad.net/ironic/+bug/1631875
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# Get the smallest local MTU
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local_mtu=$(ip link show | sed -ne 's/.*mtu \([0-9]\+\).*/\1/p' | sort -n | head -1)
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# 50 bytes is overhead for vxlan (which is greater than GRE
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# allowing us to use either overlay option with this MTU.
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# However, if traffic is flowing over IPv6 tunnels, then
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# The overhead is essentially another 100 bytes. In order to
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# handle both cases, lets go ahead and drop the maximum by
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# 100 bytes.
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PUBLIC_BRIDGE_MTU=${OVERRIDE_PUBLIC_BRIDGE_MTU:-$((local_mtu - 100))}
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